RM
Roy Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mchenry-County, Illinois
Our Model Tree links this Roy Miller across the 1920, 1930 and 1940 US Censuses in Mchenry-County, Illinois (XGBoost, ~Confirmed), with identified parents Peter & Catherine — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mchenry-County, Illinois |
| Surname | Miller |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | McHenry City |
| 1935 Residence (County) | McHenry |
| Additional Details | |
| Occupation | Miller |
| Industry | Feed Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Miller |
| Township / Ward | Mchenry City |
| Est. Birth Year | ~1913 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Patricia Miller | Daughter | — | 2 | ~1938 |
| Roy Miller | Head | — | 27 | ~1913 |
| Helen Miller | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Mchenry, Illinois
Son, age 8
Mchenry, Illinois · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Roy H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Son, age 18
Mchenry, Illinois · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ray H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farm Laborer |
| Industry | Dairy farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mchenry-County, Illinois
Head, age 27
Mchenry-County, Illinois · implied b. ~1913 — 3 household members
| Surname | Miller |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | McHenry City |
| 1935 Residence (County) | McHenry |
| Occupation | Miller |
| Industry | Feed Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Roy Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Miller (~0.92 confidence) and mother Catherine Miller (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Miller
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Catherine Miller
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Miller
Head · 1940 · age 27 · b. ~1913 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mchenry-County, Illinois
Open full size
1940 US Federal Census — Mchenry-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00840-00820)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Magdalita Sister | 23 | Sister | — | Nebraska |
| 42 | Laurentine Sister | 35 | Sister | — | Wisconsin |
| 43 | Andraella Sister | 39 | Sister | — | Wisconsin |
| 44 | Rosella Sister | 30 | Sister | — | Iowa |
| 46 | Leo Blake | 37 | Head | Worker | Illinois |
| 47 | Evelyn Blake | 30 | Wife | — | Illinois |
| 48 | Elaine Blake | 8 | Daughter | — | Illinois |
| 49 | Dorothy Blake | 6 | Daughter | — | Illinois |
| 50 | Eleanor Blake | 5 | Daughter | — | Illinois |
| 51 | Marion Blake | 4 | Daughter | — | Illinois |
| 52 | Delores Blake | 2 | Daughter | — | Illinois |
| 53 | James Blake | 1 | Son | — | Illinois |
| 54 | Gerald Blake | 0 | Son | — | Illinois |
| 55 | Roy Miller THIS PERSON | 27 | Head | Miller | Illinois |
| 56 | Helen Miller | 25 | Wife | — | Illinois |
| 57 | Patricia Miller | 2 | Daughter | — | Illinois |
| 58 | Lewis Adams | 46 | Head | Butcher | Illinois |
| 59 | Clare Adams | 43 | Wife | Waitress | Illinois |
| 60 | Gene Adams | 19 | Son | Laborer | Illinois |
| 61 | Chas. Adams | 14 | Son | — | Illinois |
| 62 | Jacob Bickler | 68 | Head | — | Illinois |
| 63 | May Bickler | 62 | Wife | — | Illinois |
| 64 | William Bickler | 41 | Son | Bartender | Illinois |
| 65 | Ina Mary Bickler | 18 | Daughter | — | Illinois |
| 66 | Carl | 38 | Son | Inspector | Illinois |
| 67 | Edith | 28 | Daughter in law | Inspector | Illinois |
| 68 | George Shelton | 35 | Nephew | Clerical | Illinois |
| 69 | Jos. Weber | 50 | Cousin | Carpenter | Illinois |
| 70 | Magdalen Nix | 61 | Head | Pastor | Illinois |
| 71 | Richard Tushlinsky | 37 | Assistant | Assistant Pastor | Illinois |
| 72 | Lydia Hormes | 67 | Housekeeper | Housekeeper | Germany |
| 73 | Tilllie Nix | 55 | Head | Housework | Illinois |
| 74 | Marie C. Nix | 18 | Daughter | Reporter | Illinois |
| 75 | John Phalin | 79 | Head | — | Illinois |
| 76 | Julia Phalin | 69 | Wife | — | Illinois |
| 77 | Eleanor Foley | 45 | Wife | — | Illinois |
| 78 | Maurice Foley | 9 | Son | — | Ohio |
| 79 | Julia Ann Foley | 8 | Daughter | — | Ohio |
| 80 | Martin Foley | 4 | Son | — | Ohio |
Related Census Records
Pedigree Summary
Roy
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)